7. Warranty and After-sales Service............................................................... 43
8. Contact Information ..................................................................................... 45
Page 7
1. Part Names and Functions
1. Part Names and Functions
1.1 General Outline
This instrument (Model 3443) is a light scattering portable dust monitor using a semiconductor laser radiation light
source.
The measurement data is displayed on the LCD and can be saved to internal memory.
The measurement data can be retrieved using the provided software.
<Features>
- Dimensions are reduced significantly compared to previous models
- User-friendly menu.
- Calibration operation can be handled from the display screen.
- Data logging function allows users to redisplay saved data.
- Using nonvolatile memory secures a worry-free measurement and saves measurement data and correction
memory such as calibration parameters indefinitely.
- USB is standard for communications.
- The instrument can interface with an external device via analog output, pulse output and alarm output which
are equipped standard. (The output cables are sold separately.)
1
1.2 Measurement Principle
When dust is irradiated, the scattered light intensity from the dust is proportional to the mass concentration. Using this
mechanism, this dust monitor measures the mass concentration of airborne dust.
1.3 Laser Handling
Laser Classification
This instrument is classified as a Class 1 Laser Product.
* Class 1 Laser:
Laser that is considered to be safe under reasonably foreseeable conditions of operation, including the use of
optical instruments for intrabeam viewing.
Laser Safety Instruction
This instrument employs a laser inside the unit as the light source of the sensor. Never open/remove the case of the
unit or disassemble the optical sensor inside the unit.
Caution: The laser diode used inside this instrument is classified as class 3B by laser safety standard.
Directly viewing or touching the laser beam is hazardous. Therefore never disassemble or modify the
instrument.
Page 8
1. Part Names and Functions
2
1.4 Part Names
Unit: mm
Approx. 60
MENU Key
To display the
menu screen
Approx. 131
DC-in Jack for
AC Adapter
Sensitivity Check Knob
Display
▲▼ Key
To select an item and to increase
/ decrease numeric value
Approx. 73
SET Key
To execute the
selected operation
and set numeric value
Rubber Cap
Approx. 162
mg/m3 Key
To convert the unit of the
concentration between mg/m3 and
CPM (count per minutes).
USB Cable Jack
Inlet
This is where sample air is taken in.
A filter is built-in in order to remove
coarse particles.
Filter Holder
START/STOP Key
Cleaning Air Vent
Output Terminal
Strap Mount
The shoulder strap
shall be attached
here.
POWER Key
To turn ON/OFF
the power
To start/stop measuring
and cleaning
Approx. 102
Exhaust Port
Page 9
1. Part Names and Functions
<Part Description>
Name Function
Sensitivity Check
Knob
This is a changeover switch to check sensitivity.
When checking sensitivity, turn the knob to the “FULL” side and check if there is any
significant change in the standard count value. (Refer to 2.4 Calibration
)
At times other than the sensitivity check, turn the knob to the “ZERO” side.
To turn the knob to the “ZERO” side, press the knob and turn it to the “ZERO” side.
3
Inlet
Filter Holder
Rubber Cap
Strap Mount
Exhaust Port
Cleaning Air Vent
Output Terminal
This is where sample air is taken in.
A filter is built-in to remove coarse particles.
A filter to be used during ZERO point check and cleaning is built-in.
See page 35 for the replacement procedure.
When measuring, remove it from the inlet and put it on the filter holder.
When performing ZERO check, sensitivity check and cleaning, leave the rubber cap on
the inlet.
The shoulder strap shall be attached here.
This is where the air is exhausted from the internal pump. When the instrument is in use,
never block the exhaust port.
This is where air is taken in upon cleaning. When the filter is significantly dirty, replace
the filter by the provided spare filter or purchase a new filter (3431-03). See page 35 for
more details.
Connect the output cable (3442-01) sold separately.
- Analog Output:
The voltage equivalent to 0 ~1 V is output for 0 ~ 1,000 CPM or 0 ~ 10,000 CPM.
Set the load impedance to 1 kΩ or higher.
The output is linear in the output range. Instantaneous value is output.
- Pulse Output:
The pulse equivalent to 0.0166Hz ~ 166.6 Hz is output for 1 ~ 10,000 CPM.
This is photocoupler output. (no-voltage contact output)
- Alarm Output:
Output will be on when the value exceeds the alarm setting value.
Photocoupler output is applied (no-voltage contact output). When the alarm is
detected, the phototransistor will be ON.
DC-in Jack for AC
Adapter
USB Cable Jack
Rubber Protector
Tripod Screw
1/4 – 20UNC
Make sure to use the provided AC adapter (MODEL 6113-02).
Connect the provided communication cable to a PC for data download and to perform a
measurement.
This is a protective cover for the instrument in case the instrument falls over or is hit by
something. This rubber protector is also required to fix the instrument on a tripod.
AC adapter, output connector and communication connector can be used even when the
rubber protector is on.
Use this screw to fix the instrument on a tripod.
Page 10
2. Getting Started
4
2. Getting Started
2.1 Setting batteries or AC adapter
This instrument can use batteries or AC adaptor for its power. Set batteries in the instrument or connect the AC
adaptor.
2.1.1 Setting batteries
Types of batteries that can be used
・ Manganese batteries (AA)
・ Alkaline batteries (AA)
・ NiMH batteries (AA)
1. Slightly push the latch of the battery compartment
lid in the direction of an arrow.
2. While pushing the latch, lift the lid in the direction
of an arrow.
3. Insert batteries ensuring that the battery polarity is correct. This
instrument requires six (6) AA sizes batteries. Types of batteries
that can be used are: Manganese, Alkaline or NiMH batteries.
The six (6) batteries must be of the same type. Do NOT mix
different types of batteries. Mixing different types of batteries
may cause battery leakage or damage to the instrument.
* Batteries CANNOT be recharged by the AC adapter.
4. Put the cover back on by reversing the above procedure.
Page 11
2. Getting Started
p
b
2.1.2 Setting AC Adapter
5
DC-in Jack for
AC Ada
ter
CAUTION: Make sure to use the provided AC adapter (MODEL 6113-02).
Connect the supplied AC adapter into the DC-in
Jack on the side of the main unit. When the AC
adapter is connected, the power is supplied by
the AC adapter. It is OK to leave batteries in the
attery compartment. However, if the
instrument is not used for a prolonged time,
please remove the batteries to prevent the
contact failure caused by corrosion of the
battery.
<AC Adapter>
MODEL 6113-02
INPUT: 100 ~ 240 V
OUTPUT: 9V/2A
Polarity
Other commercially available adapters may have different polarity and specifications, which could
result in short circuit, fire or damage to the instrument.
Battery Level Indicator
The below shows how the indicator changes as the battery runs low.
<<Caution>>
- The remaining capacity of the battery is indicated in 10 levels. When “×” is displayed on the indicator, the
remaining capacity of the battery is very low. Connect the provided AC adapter immediately or finish a
measurement once and replace the batteries with new ones.
- When the batteries die, the display will be turned off and the power will also be off.
Battery level indicator is displayed on
the upper right corner of the display.
Page 12
2. Getting Started
2.2 Precautions for Storing and Transporting the Instrument
Precautions for Storing the Instrument
Caution: If the unit is not used for a prolonged time, do not leave the batteries in the battery
compartment. Otherwise, the batteries may corrode, causing contact failure.
Precautions for Transporting the Instrument
Caution: For long periods of transporting the instrument, as mentioned above, do not leave the
batteries in the battery compartment.
6
Page 13
2. Getting Started
2.3 Cleaning
7
To maintain the accuracy, make sure to perform cleaning before using the instrument.
(When measuring for all day, please perform cleaning before and after measuring.)
(1) Confirm that the surrounding atmosphere is clean. Put the rubber cap on the inlet as shown in the above picture
and press [POWER] key to turn the power ON.
Sensitivity Check Knob
MENU Key
▼ Key
START/STOP Key
Rubber Cap
(2) Confirm that the sensitivity check knob is at the “ZERO” side.
(3) Press [MENU] key to display the menu.
(4) Press [▼] key (or [▲] key) to move the cursor to “UTILITY” and press [SET] key to display the UTILITY
screen.
(5) Confirm that the cursor is on “CLEANING”, and then press [SET] key to display the CLEANING screen.
(Refer to A)Cleaning
(6) Press [START/STOP] key to start cleaning.
(7) Perform cleaning for about 5 minutes.
* The required time for cleaning varies depending on the usage environment.
(8) Press [START/STOP] key to finish cleaning.
* To shorten the cleaning time as much as possible, perform a cleaning following the above procedure
right after measuring and especially after measuring in a highly concentrated environment (100 CPM
or higher) or after performing a long-term continuous measurement.
>>> If you leave the instrument without cleaning, the remaining dust will become deposited inside the
optical system, which can deteriorate the measurement accuracy and may affect accurate
calibration.
* Perform cleaning in a clean atmosphere.
If you perform a cleaning in a dirty environment, it can cause discrepancies. Therefore, make sure to
perform a cleaning in a clean environment.
in 3.4.6 Utility.)
Page 14
2. Getting Started
8
2.4 Calibration
In order to ensure accuracy you should perform a calibration before use.
(When measuring all day, please perform calibration before a measurement.)
For calibration there are background adjustments and sensitivity adjustments (SPAN).
(1) Going to CALIBRATION Mode from MENU Key.
(2) To perform an accurate calibration make sure that the instrument is acclimatized to the ambient temperature of the
place where the calibration work is performed. (Leave the instrument in the environment at least for 20 minutes.)
An accurate calibration cannot be performed without sufficient warm-up operation.
(3) Leave the rubber cap on the inlet.
(4) Turn the Sensitivity Check Knob to the “ZERO” side when adjusting BACK GROUND, and to the “FULL” side
when performing SPAN CALIBRATION.
(5) Press [MENU] key to display the MENU screen.
(6) Press [▼] key (or [▲] key) to move the cursor to “CALIBRATION”. Then press [SET] key to display the
(7) Perform the background adjustment first followed by the sensitivity adjustment.
(8) After calibration is done following the above procedure, move the Sensitivity Check Knob back to the “ZERO”
Sensitivity Check Knob
MENU Key ▼ Key
CALIBRATION screen. (See 3.4.5 Calibration
side.
* After using the instrument under harsh conditions (high concentration) or when using the
instrument frequently, be sure to perform a calibration prior to measurement. Before performing a
calibration, make sure that the instrument is acclimatized to the ambient temperature. (Leave the
instrument in the calibration environment for at least 20 minutes.)
An accurate calibration cannot be performed without sufficient warm-up operation.
* If calibration cannot be performed properly, a “CALIBRATION ERROR” will be displayed on the
screen. If this is the case, start from cleaning again.
Press [POWER] button to turn ON the instrument. Then the boot screen
will be displayed and start warming up for 10 seconds.
On the screen the version information and remaining time for warming
up will be displayed.
3.2 Initial Screen
After the warm-up, the screen will be displayed as below.
<Display Description>
(1) Date & Time
(2) Remaining battery level
(1)
(3)
(4)
(6)
(7)
<Operation>
[START/STOP] Key: To start a measurement or to halt a measurement while measuring
To stop a measurement in Manual Mode
[mg/m3] Key: Press this button to convert unit between “mg/m
[MENU] Key: To move to the menu screen. Refer to 3.4 MENU
(2)
(5)
(8)
To end a measurement, press and hold [START/STOP] key for approximately 2
seconds.
(For details, please refer to 2.1 Setting batteries or AC adapter
(3) Relative concentration bar(instantaneous value)
(4) Indicated value
(5) Unit
(6) Time graph display while measuring
Once a measurement starts, the bar graph will be updated. When
the measurement finishes, the bar graph will disappear.
In Manual Mode the graph will not be displayed.
(7) Remaining measurement time
Once a measurement starts, the remaining time will be displayed
while the bar graph is being updated.
In Manual Mode the elapsed time will be displayed.
(8) Measurement mode
The selected measurement mode will be displayed.
Standard Mode: STD. MODE
Free Setting Mode: FRE. MODE
Manual Mode: MANUAL
Calculation Mode: CALC. MODE
3
” and “CPM”.
.
9
.)
Page 16
3. Display Description and operation Procedure
<Measurement Mode>
There are four different measurement modes. You can select a measurement mode on the menu screen.
Refer to 3.4.1 Measurement Mode
and 3.4.2 Calculation Mode.
1) Standard Mode: Perform a measurement based on a pre-selected measurement time. You can select a
measurement time from 6sec, 10sec, 30sec, 1min, 2min, 3min, 5min, 10min or TWA.
2) Free Setting Mode: Perform a measurement based on the pre-set measurement time. The settable
measurement time is 1 ~ 59 sec or 1 ~ 99 min.
3) Manual Mode Manually start and stop a measurement. After starting a measurement, press
[START/STOP] button to finish a measurement.
4) Calculation Mode: Repeat measuring based on the set conditions. The measurement result is saved in the
memory.
The conditions to be set are;
- Date and time to start a measurement
- Measurement time
- Number of measurements
To view the stored data, go to the menu screen. Refer to 3.4.3 Data Display
.
10
3.3 Screen While Measuring
During a measurement the integrated amount of particles is displayed as
* When “OVER” is displayed on the screen, the value cannot be converted even if you press [mg/m
* After measuring high concentration where “OVER” is displayed or measuring for a prolonged time, be sure
to perform a cleaning to keep the inside opical system cell clean.
<Operation>
[START/STOP] Key: To stop a measurement
[▲] [▼]Key: To display a graph in CALCULATION Mode
an indicated value, and the bar graph indicates the instantaneous value of
relative concentration (CPM: Count Per Minute). The measurement time
bar graph and the remaining time display indicate the remaining time of
the measurement. When the bar graph display disappears, the
measurement is finished.
This instrument’s measurable count number is 0 ~ 999,999. If the count
number exceeds this measurable range, “OVER” will be displayed on the
screen.
3
] button.
In MANUAL Mode the elapsed time is displayed.
In CALCULATION Mode, [the number of measurements performed /
total number of measurements] will be displayed where the selected
measurement mode is displayed in other modes.
To finish a measurement in MANUAL Mode
Page 17
3. Display Description and operation Procedure
In Calculation Mode the measurement result can be displayed
successively on the graph.
The vertical axis indicates CPM and the horizontal axis indicates
measurement time.
Up to 110 data points can be displayed. Once the number of data points
exceeds 110, the graph will be scrolled so that the latest 110 data points
will be displayed.
When all of the measurements finish and the graph is displayed, it will go
back to the initial screen automatically.
<Operation>
[▲] [▼] Key: To go back to the screen to display numeric value
[MENU] Key: When all measurement finishes in graph display mode, press [MENU]
key to go back to the screen displaying numeric values.
11
Page 18
3. Display Description and operation Procedure
3.4 MENU
Press [MENU] key on the initial screen to display the menu screen.
On the menu screen you can select the followings;
MODE: Measurement Mode
To set a measurement mode => 3.4.1 Measurement Mode
CALCULATION: Calculation Mode
To set calculation mode and to start a measurement
=> 3.4.2 Calculation Mode
DATA DISPLAY
To display measurement data saved in the memory of the
instrument on the screen
=> 3.4.3 Data Display
DATA CLEAR
To delete measurement data saved in the memory of the
instrument
=> 3.4.4 Deleting Data
CALIBRATION
To perform background adjustment and sensitivity
adjustment
=> 3.4.5 Calibration
UTILITY
To perform cleaning and calibration and to configure each
setting
=> 3.4.6 Utility
<Operation>
[MENU] Key: To go back to the initial screen
[▲][▼] Key: To move the cursor up and down
[SET] Key: To display the screen that is indicated by the cursor
12
3.4.1 Measurement Mode
Select “MODE” on the menu screen to display the screen shown on the
left.
On this screen, select one measurement mode out of three options.
The options are;
STD. SET: Standard Mode
FREE SET: Free Setting Mode
MANUAL: Manual Mode
Move the cursor up and down by using [▲] [▼] keys, and select the item
by pressing [SET] key.
* Please note that unless you press [SET] key when [SAVE INFO] is
pointed at by [►] on the setting screen of the each mode, setting will
not be saved.
Page 19
3. Display Description and operation Procedure
[▲]
y↓↑[▼]Key
[▲]
y↓↑[▼]Key
[▲]
y↓↑[▼]Key
[▲]
y↓↑[▼]Key
[▲]
y↓↑[▼]Key
[▲]
y↓↑[▼]Key
[▲]
y↓↑[▼]Key
[▲]
y↓↑[▼]Key
A) Standard Mode (STD. MODE)
Measurement Time Transition
06sec
Ke
10sec
Ke
30sec
Ke
01min
Ke
02min
Ke
03min
Ke
05min
Ke
10min
Ke
06sec
mg/m3 (Instantaneous Value)
13
In the Standard Mode select the time from the pre-set measurement time.
The selectable measurement time is 6 sec, 10 sec, 30 sec, 1 min, 2 min, 3
min, 5 min 10 min or TWA (Time Weighted Average) mode.
While the measurement time is highlighted, you can change the time by
using [▲] [▼] keys.
Move the cursor to STD. SET, and then press [SET] key to highlight the
measurement time to configure the setting.
Once a measurement time is selected, press [SET] key.
The measurement time will stop being highlighted.
Use [▲] [▼] keys to move the cursor to “SAVE INFO”, and press [SET]
key to save the setting. Then a measurement screen will be displayed
To go back to a measurement screen before you complete the setting,
press [MENU] key.
<6 sec, 10 sec, 30 sec, 1 min, 2 min, 3 min, 5 min 10 min or TWA mode>
A measurement is performed for the set measurement time.
Press [START/STOP] key to start a measurement. After a measurement
finishes, the measurement result will be displayed. The remaining
measurement time will be indicated at the lower left and also indicated in
the bar graph below the measurement value.
You can stop a measurement before it completes by pressing and holding
[START/STOP] key for about 2 seconds.
Page 20
3. Display Description and operation Procedure
[mg
y
[mg
y↓
[mg
y
[mg
y
[mg
y↓[mg
y
[mg
y
Mg/m3
mg/m3 (Instantaneous Value)
CPM(COUNT)
You can switch over the indicated value as described below by pressing
[mg/m3] key in real time.
Switching over measurement value
mg/m3 (Instantaneous Value)
/m3] ke
/m3]ke
↓
CPM (COUNT)
mg/m3 (Instantaneous Value)
<TWA Mode>
In TWA mode you can perform a measurement based on the settings
referring to H) TWA MODE
in 3.4.6 Utility.
Press [START/STOP] key to start a measurement. After a
measurement completes, the measurement result will be displayed.
The remaining measurement time is indicated on the bottom of the
screen and also shown in the bar graph.
You can forcibly finish a measurement by pressing and holding
[START/STOP] key for about two seconds.
In TWA mode you can switch over the indicated value as described
below by pressing [mg/m3] key during and after a measurement.
mg/m3 (T)
mg/m3 (S)
mg/m3 (C)
Switching over measurement value
mg/m3 (Instantaneous Value)
/m3] ke
/m3] ke
/m3] ke
/m3] ke
/m3] ke
↓
mg/m3 (TWA)
↓
mg/m3 (STEL)
mg/m3 (C)
↓
CPM (COUNT)
↓
mg/m3 (Instantaneous Value)
14
CPM(COUNT)01min
Page 21
3. Display Description and operation Procedure
B) Free Setting Mode
C) Manual Mode
15
In Free Setting Mode you can set the measurement time in the range of
1~59 sec in increments of one second or in the range of 1 ~ 99 minutes in
increments of one minute.
While a measurement time is highlighted, you can change it by using
[▲] [▼] keys.
Measurement Time Transition
Press [▲] key to increase 1 sec ↓ ↑ Press [▼] key to decrease 1 sec
01sec
Press [▲] key to increase 1 min ↓ ↑ Press [▼] key to decrease 1 min
01min
99min
Move the cursor to “FREE SET”, and then press [SET] key to highlight
the measurement time to configure the setting.
Once a measurement time is set, press [SET] key.
The measurement time will stop being highlighted.
Use [▲] [▼] keys to move the cursor to “SAVE INFO” and press [SET]
key to save the setting. Once the setting is saved, it will go back to the
measurement screen.
To go back to the measurement screen before you complete the setting,
press [MENU] key.
In Manual Mode you can finish a measurement any time by pressing
[START/STOP] key.
When YES/NO is highlighted, you can select to measure in the Manual
Mode or NOT by using [▲] [▼] keys. To perform a measurement in
Manual Mode, select YES in the setting.
Move the cursor to “MANUAL” and press [SET] key to highlight it to
configure the setting.
After selecting YES or NO, press [SET] key.
The selected item will stop being highlighted.
Move the cursor to “SAVE INFO” by using [▲] [▼] keys, and then
press [SET] key to save the settings. Then it will go back to the menu
screen.
To go back to the measurement screen before you complete the setting,
press [MENU] key.
Page 22
3. Display Description and operation Procedure
3.4.2 Calculation Mode
A) Measurement Start Date & Time
B) Sampling Time
C) The Number of Sampling Trials
D) To Start a Measurement
16
Select “CALCULATION” mode on the menu screen to display the screen
shown on the left.
In the CALCULATION MODE you can set date & time to start a
measurement, sampling time and number of sampling trials.
Use [▲] [▼] keys to move the cursor to the item to be set. Then press
[SET] key to configure each setting.
START DATE/TIME: Date & time to start a measurement
SAMPLING TIME: Sampling time (1 sec ~ 99 min 59 sec)
You can set the screen contrast, the backlight-out time and to turn ON/
OFF the beep sound.
CONTRAST: To set contrast of the display
BACKLIGHT OFF: To set the backlight-out time
BEEP: To turn ON/OFF beep sound
Press [▲] [▼] keys to move the cursor, and then press [SET] key to
select it.
Press [MENU] key to go back to the UTILITY screen.
<Contrast of the display>
The numeric value for the screen contrast will be highlighted.
Press [▲] key to increase the value by 1 and [▼] key to decrease the
value by 1.
The range of the contrast is 20 ~ 54.
After setting the value, press [SET] key.
Then the value will stop being highlighted, and now you can select the
next item to be configured.
<Backlight-Off Time>
For battery saving purpose, set the time to activate the automatic
backlight OFF function when the instrument is not in operation.
The automatic backlight OFF time will be highlighted.
Press [▲] key to increase the numeric figure and press [▼] key to
decrease the figure.
The settable range for backlight OFF time is 1 ~ 99 min or you can set to
turn ON the backlight all the time.
After setting the value, press [SET] key.
Then the value will stop being highlighted, and now you can select the
next item to be configured.
Press [▼] key when the value is 1 to select “Always ON” setting to turn
the backlight ON all the time.
To select “Always ON”, you can also press [▲] key when the value of
99 is selected.
[▲] key to increase by 1 min ↓ ↑ [▼] key to decrease by 1 min
After
After
[▲] key ↓ ↑ [▼] key キー
1
99
min
mins
AlwaysON
26
Page 33
3. Display Description and operation Procedure
<Beep Sound Setting (On/OFF)>
<Saving the settings>
27
You can set whether to activate the beep ON or OFF for key operation.
When ON/OFF setting is highlighted, you can change the setting by
using [▲] [▼] keys.
After setting, press [SET] key.
The setting will stop being highlighted, and now you can select the next
item to be configured.
Press [SET] key to save the settings and go back to the UTILITY screen.
Page 34
3. Display Description and operation Procedure
E) Analog Output & Alarm Setting
<Analog Output Setting>
28
Set the analog output and alarm range.
ANALOG OUT: Analog Output Setting
ALARM: Alarm ON/OFF Setting
Press [▲] [▼] keys to move the cursor and select the item pressing
[SET] key.
Press [MENU] key to go back to the UTILITY screen.
Set the relation between the measured concentration value (mg/m3) /
measured relative concentration value (CPM) and the voltage output
from the output terminal.
The concentration range which corresponds to the output of 0 ~ 1 V will
be highlighted.
0-1 mg/m3: When the concentration is 1mg/m3, 1V is output.
0-10 mg/m3: When the concentration is 10mg/m3, 1V is output.
AUTO mg/m3: The output voltage will be switched over automatically;
When the concentration is 0~1mg/m3, 0~1V is output.
When the concentration is 1~10mg/m3, 0.1~1V is output.
0-1,000 CPM: When the concentration is 1,000 CPM, 1V is output.
0-10,000 CPM: When the concentration is 10,000 CPM, 1V is output.
AUTO CPM: The output voltage will be switched over automatically;
When the concentration is 0 ~ 1,000 CPM, 0 ~ 1V is output.
When the concentration is 1,000~10,000 CPM, 0.1~1V is output.
Use [▲] [▼] keys to change the setting.
0-1 mg/m3
[▲] Key↓ ↑ [▼] Key
0-10 mg/m3
[▲] Key↓ ↑ [▼] Key
AUTO mg/m3
[▲] Key↓ ↑ [▼] Key
0-1000 CPM
[▲] Key↓ ↑ [▼] Key
0-10000 CPM
[▲] Key↓ ↑ [▼] Key
AUTO CPM
After setting the value, press [SET] key.
The setting will stop being highlighted and the screen will go back to the
display where you can select the item to be configured.
Page 35
3. Display Description and operation Procedure
(1) Data Update Interval: The output data is output every one second.
(2) Load Impedance: 1 KΩ or higher
(3) Output Cable: Please purchase our optional output cable (3442-01).
Method to output measurement data (in case of analog output) Explanation
Voltage
0 1 2 3 4 sec(Measurement Time)
* Use the dedicated output cable (3442-01) sold separately.
<Alarm Setting>
29
Concentration value
3
(mg/m
or CPM) will be
converted to the output
voltage.
When the reading exceeds the set concentration value during a
measurement, the alarm will be turned ON. And when the reading
becomes lower than the set concentration value, the alarm will be OFF.
This alarm will be activated only during a measurement.
(Even if the alarm is ON during a measurement, it will be OFF once the
measurement finishes.)
When alarm mode setting is OFF, the alarm function is not activated.
Use [▲] [▼] keys to change the mode setting.
[▲] key to CPM setting ↓ ↑ [▼] key to mg/m3setting
mg/m3
[▲] key to OFF setting ↓ ↑ [▼] key to CPM setting
CPM
OFF
After setting the alarm mode, press [SET] key.
The RANGE setting value will be highlighted. Use [▲] [▼] keys to set
the value. After setting, press [SET] key. Then the RANGE setting value
will stop being highlighted.
10.000
[▼] key to decrease ↓ ↑ [▲] key to increase
9.999
Page 36
3. Display Description and operation Procedure
t
(1) Data Update Interval: The output data is updated every one second.
(2) Effective Range of the Output: From when a measurement starts until the measurement finishes.
(3) Output Format, Spec: Photocoupler Output (no-voltage contact output: collector emitter)
(4) Output Cable: Please use the optional analog / alarm output cable (3442-01).
Alarm Output Explanation
CPM(mg/m
3
)
ON
1 2 n n+1 n+2 n+3 n+4 n+5 n+6(Measurement Time)
Start
OF
30
The range setting is also required in CPM mode as well.
10000
[▼] key to decrease ↓ ↑ [▲] key to increase
9999
Use [▲][▼] keys to move the cursor and select [SAVE INFO]. Then
press [SET] key.
The set value will be saved and the screen will go back to the UTILITY
C VALUE: Upper limit tolerance (0.001 ~ 10.000, C>STEL)
ALARM SET: Alarm ON/OFF setting
SAVE INFO: Save settings
Use [▲][▼] keys to move the cursor and press [SET] key to set it.
Press [MENU] key to go back to the UTILITY screen.
If an error is detected in the settings for TWA VALUE, STEL VALUE, C VALUE, [ERROR!] will be
indicated on the lower right of the screen for two seconds.
<Time-weighted average (TWA)>
Input Range: The short term exposure limit (STEL) or less in the range of [0.001-10.000] mg/m3
Time-weighted average (TWA) is the time-weighted average concentration for the regular working hours of
8 hours a day and 40 hours a week. When the average concentration (mg/m3) from the beginning to the
ending of the TWA mode measurement exceeds this set value, an alarm will be activated.
The TWA measurement value is displayed in real time.
If the measurement time is less than 8 hours, the time length till the end of the measurement is subject to this
measurement.
<Short term exposure limit (STEL)>
Input Range: Between the time-weighted average (TWA) and the upper limit tolerance (C) in the range of
[0.001-10.000] mg/m3
If the latest moving average concentration (mg/m3) for 15 minutes exceeds this setting value, an alarm will
be activated.
The short term exposure limit (STEL) is displayed in real time.
The alarm will also be activated if the concentration exceeds the time-weighted average (TWA) 5 times or
more within 8 hours or the concentration exceeds TWA twice or more within 60 minutes.
If the measurement time is less than 8 hours, the time length till the end of the measurement is subject to this
measurement.
<Upper limit tolerance (C)>
Input Range: The short-term exposure limit (STEL) or less in [0.001-10.000]mg/m3
If the instantaneous concentration (one sampling) (mg/m3) exceeds this set value, an alarm will be indicated.
The upper limit tolerance (C) is displayed in real time.
32
If you select TWA on the menu screen, the screen shown on the left will
be displayed.
You can configure TWA measurement setting and alarm setting.
Page 39
3. Display Description and operation Procedure
<Alarm Classification>
The alarm sound will be different depending on the content of an alarm.
The alarm in the TWA measurement mode will be indicated on the measurement screen and beep will sound.
Please note that it will not output to the external output terminal.
* Upper limit tolerance alarm is given the highest priority followed by short-term exposure limit (STEL)
alarm and then time-weighted average (TWA) alarm.
For example, if the upper limit tolerance (C) alarm occurs during the Short-term exposure limit (STEL)
alarm, the upper limit tolerance (C) alarm will be prioritized.
<Clear Alarm>
When alarm occurs, press [▲] or [▼] key to clear alarm.
If another alarm condition is detected right after an alarm is cleared, alarm will output.
An alarm can only be cleared individually.
If you do not clear an alarm during a measurement, the alarm will keep outputting until you clear an alarm.
An alarm can only be cleared by the user clearing an alarm or starting a next measurement.
33
Time-weighted average (TWA) alarm
Short beeps
Short-term exposure limit (STEL) alarm
Long beeps
Upper limit tolerance (C) alarm
Continuous beep
3.4.7 USB Communication Connector
By connecting the provided USB cable, you can communicate with a computer.
(1) Use the provided USB communication cable.
(2) Install the provided measurement software in your computer.
(3) For details on the measurement software including the installation procedure, please refer to the operation
manual for Measurement Software for Light Scattering Digital Dust Monitor (Model S344-20).
Page 40
3. Display Description and operation Procedure
34
3.5 Measurement Procedure
To perform an accurate measurement, make sure that the instrument is acclimatized to the ambient temperature before
use. (Leave the instrument in the measurement environment at least for 20 minutes.)
1) Press and hold [POWER] key for one second or longer to turn the power on. After warning up for 10 seconds,
the instrument is ready to run.
2) Start calibration. (Refer to 2.4 Calibration
3) Set K factor. (Refer to (c) K Factor
4) Set measurement time. (Refer to 3.4.1 Measurement Mode
5) Check the measurement time at the lower left of the display and the selected measurement mode.
6) Put the rubber cap on the cleaning air vent.
Confirm that the sensitivity check knob is at the ZERO side.
7) Press [START/STOP] key to start a measurement. Measurement finishes automatically when it reaches the end
of the measurement time. You can also stop measuring before it completes by pressing [START/STOP] key.
If the measurement mode is set to MANUAL, press [START/STOP] key to finish measuring.
The measurement result is obtained based on the actual measurement time.
8) After a measurement, press [mg/m3] key to display the mass concentration to take the reading. To perform the
next measurement, press [START/STOP] key again and repeat the instruction described above.
9) After all measurements are done, put the rubber cap on the inlet.
10) Perform cleaning. (Refer to 2.3 Cleaning
11) Press and hold [POWER] key for 2 sec or longer to turn the power off.
Sensitivity Check Knob
Cleaning Air Vent
START/STOP Key
mg/m3 Key
.)
in 3.4.6 Utility.)
.)
POWER Key
.)
Rubber Cap
6)
Page 41
4. Consumables Replacement
35
4. Consumables Replacement
4.1 Filter Replacement
Please replace the filter following the procedure below when error occurs even if you perform calibration several time,
you can see the filter is damaged or the filter is very dirty.
<Preparing for replacement part>
Prepare the provided filter for replacement or purchase the filter (3431-03).
<Replacing filter>
(1) Turn the filter fixing ring on the cleaning air port to the direction shown in the picture below and remove it.
(2) Remove the rubber packing and filter in the filter holder by using tweezers.
(3) Prepare the filter for replacement. Then put it all the way in the holder being careful not to damage the filter.
Next set the filter on the rubber packing.
Finally tighten the filter fixing ring on.
* If you forget to place the rubber packing or fail to tighten the lid fully, leaking may occur which will prevent
an accurate measurement. Therefore, when replacing parts, be sure not to lose anything.
(4) After replacing the filter, start performing cleaning. (Refer to 2.3 Cleaning
Filter Fixing Ring
(1)
ZOOM
Filter Holder
)
Rubber Packing
Filter
(2)
Page 42
4. Consumables Replacement
4.2 Protective LCD Sheet Replacement
When the protective LCD sheet becomes dirty or is damaged, replace it.
<Preparing for replacement part>
Prepare the provided protective LCD sheet for replacement or purchase the provided protective LCD sheet (3442-04).
<Replacing protective LCD sheet>
(1) Remove the protective sheet that is to be replaced.
(2) Wipe out the dirt and dust on and around the LCD.
(3) Put the new protective sheet for replacement on the LCD.
4.3. Rubber Protector Replacement
When the rubber protector becomes dirty or is damaged, you can replace the rubber protector.
<Preparing for replacement part>
Purchase the rubber protector (3442-02).
<Replacing rubber protector>
(1) Remove the AC adapter and output cable.
(2) Pull the instrument up to remove it from the rubber protector.
(3) Insert the instrument into the new rubber protector. For the insertion direction, refer to the picture below.
Make sure that the top corners of the rubber protector are fit with the instrument.
(2) Pull the instrument out
from the protective cover.
36
(3) Insert the instrument into
the new protective cover.
Make sure that the cleaning air
vent side of the instrument and
the logo on the rubber protector
are facing the same direction.
Page 43
5. Main Specification
5. Main Specification
Product Name Light Scattering Digital Dust Monitor
Model Name MODEL 3443
Measurement Range
Measurement Accuracy ±(10% of reading + 1) count
Linearity ±5% of reading
Measurement Mode
Light Source Semiconductor Laser Diode
Detector System Photodiode
Measuring Method Light Scattering
Display Graphic LCD (128×64 dot) with backlight
0.001 ~ 10.000 mg/m3
(1 CPM=0.001 mg/m
3
when using standard particle)
(1) Standard Mode (6, 10, 30 seconds, 1, 2, 3, 5, 10 minutes, TWA)
(2) Free Setting Mode (Settable range is 1 ~ 59 sec or 1 ~ 99 min)
(3) Manual Mode (Start and stop a measurement manually.)
(4) Calculation Mode (The user can repeat measurements based on the
settings of measurement start/stop time and the number of measurements.
The measurement data can be saved in the built-in memory.)
(5) Calibration (background and standard count value)
(6) Cleaning
(3) Measurement Value
(4) Measurement Mode
(5) K Factor
(6) Graph
Analog Output (The output range setting can be switched over.)
- 0 – 1 mg/m3 range: 0-1V
- 0 – 10 mg/m3 range: 0-1V
- AUTO mg/m3 range: 0 – 1 mg/m3 range: 0-1V
Output Terminal
- 0 – 1,000 CPM range: 0-1 V
- 0 – 10,000 CPM range: 0-1 V
- AUTO CPM range: 0 – 1,000 CPM range: 0-1 V
Pulse Output (Photo-coupler Contact Output)
Alarm Output (Photo-coupler Contact Output)
USB Port
Communication
- Data Transfer
- Parameter Setting
- Remote Setting
Calibration Function Auto Background
Factor of Mass Concentration
Conversion Coefficient
Data log & Calculation
Function
Settable on operation panel
(Settable range: 0.0001 ~ 0.0099, in increments of 0.0001)
Up to 100,000 data points can be saved.
Data Readout, Data Display
Calculation Function
1 – 10 mg/m3 range: 0.1-1V
1,000 – 10,000 CPM: 0.1 – 1 V
Page 44
5. Main Specification
AA batteries (1.5 × 6 pcs)
Power
AC: AC adapter (Input 100-240 V)
The product does not have charging function.
Battery Operating Time Continuous operation time: 12 hours (when alkaline batteries are used.)
Usage Environment
Storage Environment
Temperature: 5 ~ 40 ˚C
Humidity: 95 %RH or lower (Non condensing)
Temperature 0 ~ 45 ˚C
Humidity: 95 %RH or lower (Non condensing)
Dimensions 162 × 60 × 102 mm (excluding projections)
Weight Approximately 1.1 kg (excluding batteries)
AC Adapter 1 pc
Filter 2 pc
Shoulder Strap 1 pc
Operation Manual (Main Unit) 1 pc
Manganese Batteries 6 pc
Accessories
Measurement Software (CD) 1 pc
Communication Cable 1 pc
LCD Protective Sheet 1 pc
Rubber Cap 1 pc
Rubber Cap String 1 pc
Rubber Protector 1 pc
Output Cable (3442-01)
For analog, pulse & alarm output
Rubber Cap (3431-02) 1 pc
Optional Extras,
Consumables Sold
Separately
Filter (3431-03) 1 set (10 pc)
LCD Protective Sheet (3442-04) 1 set (2 pc)
Carrying Case (3442-05) 1 pc
AC Adapter (6113-02)
Rubber Protector (3443-02)
1 pc
1 pc
38
Page 45
6. Troubleshooting
6. Troubleshooting
6.1 Check Power
Symptom Possible Cause / Solution Refer to
39
Even when the power switch
is turned ON, on-screen
display does not appear or
display goes off quickly.
Even after replacing batteries
with new ones, the screen
does not show up.
Batteries die very quickly.
When using NiMH batteries,
the batteries die very quickly.
- When using battery: The battery is exhausted.
=> Turn the power off and charge the battery.
- When using AC adapter: The dedicated adapter is not being used.
=> Make sure to use the dedicated AC adapter.
- The polarity of the batteries may be reversed.
=> Check if the batteries are inserted properly.
Different type of batteries may be used.
Exhausted batteries and new batteries may be mixed.
The batteries may not have been charged fully.
=> Charge the batteries fully referring to the operation manual supplied
with the NiMH batteries.
The NiMH batteries may be deteriorated.
=> Purchase new NiMH batteries.
6.2 Check while Measuring
Symptom Possible Cause / Solution Refer to
4
5
4
4
4
4
Count value remains 0.
Count value is too low.
Count value is too high.
Rubber cap may be put on the inlet.
Remove the rubber cap and then insert the removed rubber cap to the
cleaning air vent to perform a measurement.
The exhaust port may be blocked.
Remove the things that block the exhaust port.
The rubber cap may not be inserted to the cleaning air vent.
Insert the rubber cap properly before starting a measurement.
Compare the count value upon checking the sensitivity to the standard
count value.
If the count value upon checking the sensitivity is more than 5% lower
than the standard value, calibrate the unit to check the sensitivity.
The sensitivity check knob may still be at “FULL” side.
Turn the knob fully to the “ZERO” side.
Compare the count value upon checking the sensitivity to the standard
count value.
If the count value upon checking the sensitivity is more than 5% higher
than the standard value, calibrate the unit to check the sensitivity.
2
2
2
8
2
8
Page 46
6. Troubleshooting
6.3 Zero Check
Symptom Possible Cause / Solution Refer to
40
Zero is not stable
Zero adjustment cannot be
performed.
6.4 Sensitivity Check
Rubber cap may not be put on the inlet or may not be inserted properly.
Put the rubber cap on properly.
Filter may be clogged.
Replace the filter with a new one.
Inside the optical system may be dirty.
Relatively light particles such as carbon or resin could enter inside the
optical system, which could result in Zero point rise.
Perform a cleaning well (for at least 10 minutes).
If it does not become stable even after cleaning, the instrument needs to
be disassembled for further cleaning.
Please contact your distributor or KANOMAX service center.
The instrument may not be used under the specified usage environment.
Operating temperature limit is 5 ~ 40 ˚C and humidity limit is 95 %RH
or lower.
The sensitivity check knob may not be at the “ZERO” side.
Put it back to “ZERO” side.
The instrument may not be used under the specified usage environment.
Operating temperature limit is 5 ~ 40 ˚C and humidity limit is 95 %RH
or lower.
2
35
7
36
2
36
Symptom Possible Cause / Solution Refer to
The value is lower than the
standard count value. The
reproducibility is not good.
Sensitivity cannot be
adjusted.
The sensitivity check knob may not be at the “FULL” side.
Put it back to “FULL” side.
The instrument may not be used under the specified usage environment.
Operating temperature limit is 5 ~ 40 ˚C and humidity limit is 95 %RH
or lower.
The instrument may not be used under the specified usage environment.
Operating temperature limit is 5 ~ 40 ˚C and humidity limit is 95 %RH
or lower.
The sensitivity may be beyond the specified sensitivity adjustment
range or the light source may be deteriorated.
Please contact your distributor or KANOMAX service center.
2
36
36
8
Page 47
6. Troubleshooting
6.5 Calibration Check
Symptom Possible Cause / Solution Refer to
The zero adjustment range may exceed the specified range.
ZERO cannot be adjusted.
(BACK GROUND)
Sensitivity cannot be
adjusted.
(SPAN CALIBRATION)
If the ZERO adjustment range exceeds the standard range ± 20 counts
before shipping, it is a calibration error.
Please contact your distributor or KANOMAX service center for repair.
The sensitivity may be beyond the specified sensitivity adjustment range.
When the sensitivity adjustment range is beyond the range before
shipping by ±20%, it is considered as calibration error.
Please contact your distributor or KANOMAX service center for repair.
The scattering plate or light source may be deteriorated.
Please contact your distributor or KANOMAX service center for repair.
6.6 Analog Output
Symptom Possible Cause / Solution Refer to
41
8
8
-
There is no output.
Output value is wrong.
Output value exceeds the
specified value.
The response is slow. The output is updated every 1 second. 28
The display and the output
voltage do not match.
The plug may not be firmly inserted into the output terminal.
The dedicated output cable must be used.
The output cable may not be inserted properly.
The load impedance may be set lower than the specified value.
(Load impedance: 1 kΩ or higher)
The instantaneous value may exceed the concentration equivalent to
10,000 CPM of the instantaneous value.
・0 – 1,000 CPM range: 0-1 V
・0 – 10,000 CPM range: 0-1 V
・AUTO CPM range: 0 – 1,000 CPM range: 0-1 V
1,000 – 10,000 CPM: 0.1 – 1 V
The CPM of analog output is instantaneous value. It differs from the
counts (integrated value) on the LCD.
28
28
28
28
28
Page 48
6. Troubleshooting
6.7 Pulse Output
Symptom Possible Cause / Solution Refer to
42
There is no output.
The output signal level is
wrong.
Output value exceeds the
specified value.
6.8 Alarm Output
Symptom Possible Cause / Solution Refer to
There is no output or the
timing of the output is
uncertain.
The output signal level is
wrong.
The plug may not be firmly inserted into the output terminal.
The dedicated output cable must be used.
The instrument may not be used within the rating (voltage and current).
The polarity may be wrong (+, -).
The instantaneous value may exceed the concentration equivalent to
10,000 CPM of the instantaneous value.
The plug may not be firmly inserted into the output terminal.
The dedicated output cable may not be used.
The alarm setting value may not be set properly.
The instrument may not be used within the rating (voltage and current).
The polarity may be wrong (+, -).
31
31
31
28
28
The alarm is left to be
output.
6.9 Calendar Setting
Symptom Possible Cause / Solution Refer to
Date and time are lagging
dramatically, or after setting
the date and time, they both
reset.
The instantaneous value may exceed the concentration equivalent to
10,000 CPM of the instantaneous value.
The backup battery may start becoming weak.
We recommend replacing the backup battery.
Please contact your sales representative or KANOMAX service center.
* The backup battery life is about 10 years. This is just an indication
because the battery life differs depending on the operation frequency
or usage environment.
Since a primary battery is used for the backup battery, it cannot be
charged when the instrument is turned on.
28
24
Page 49
7. Warranty and After-sales Service
43
7. Warranty and After-sales Service
KANOMAX Limited Warranty
The limited warranty set below is given by KANOMAX with respect to the KANOMAX brand Light Scattering
Digital Dust Monitor and other accessories (hereafter referred to as “PRODUCT”) that you have purchased.
PRODUCT you have purchased shall be the only one that the limited warranty stated herein applies to.
Your PRODUCT, when delivered to you in new condition in its original container, is warranted against defects
in materials or workmanship as follows: for a period of one (1) year from the date of original purchase, defective
parts or a defective PRODUCT returned to your sales representative, as applicable, and proven to be defective
upon inspection, will be exchanged for a new or comparable rebuilt parts, or a refurbished PRODUCT as
determined by your sales representative. Warranty for such replacements shall not extend the original warranty
period of the defective PRODUCT.
This limited warranty covers all defects encountered in normal use of the PRODUCT, and does not apply to the
following cases:
(1) Use of parts or supplies other than the PRODUCT sold by your sales representative, which cause damage to
the PRODUCT or cause abnormally frequent service calls or service problems.
(2) If any PRODUCT has its serial number or date altered or removed.
(3) Damage to the PRODUCT due to abuse, mishandling, improper packaging by the owner, alteration, accident,
electrical current fluctuations, failure to follow operating, maintenance or environmental instructions
prescribed in the PRODUCT's instruction manual provided by KANOMAX, or service performed by other
than KANOMAX.
NO IMPLIED WARRANTY, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE, APPLIES TO THE PRODUCT AFTER THE APPLICABLE
PERIOD OF THE EXPRESS LIMITED WARRANTY STATED ABOVE, AND NO OTHER EXPRESS
WARRANTY OR GUARANTY, EXCEPT AS MENTIONED ABOVE, GIVEN BY ANY PERSON OR ENTITY
WITH RESPECT TO THE PRODUCT SHALL BIND KANOMAX. KANOMAX SHALL NOT BE LIABLE FOR
LOSS OF STORAGE CHARGES, LOSS OR CORRUPTION OF DATA, OR ANY OTHER SPECIAL,
INCIDENTAL OR CONSEQUENTIAL DAMAGES CAUSED BY THE USE OR MISUSE OF, OR INABILITY TO
USE, THE PRODUCT, REGARDLESS OF THE LEGAL THEORY ON WHICH THE CLAIM IS BASED, AND
EVEN IF KANOMAX HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT
SHALL RECOVERY OF ANY KIND AGAINST KANOMAX BE GREATER IN AMOUNT THAN THE
PURCHASE PRICE OF THE PRODUCT SOLD BY KANOMAX AND CAUSING THE ALLEGED DAMAGE.
WITHOUT LIMITING THE FOREGOING, THE OWNER ASSUMES ALL RISK AND LIABILITY FOR LOSS,
DAMAGE OF, OR INJURY TO THE OWNER AND THE OWNER'S PROPERTY AND TO OTHERS AND
THEIR PROPERTY ARISING OUT OF USE OR MISUSE OF, OR INABILITY TO USE, THE PRODUCT NOT
CAUSED DIRECTLY BY THE NEGLIGENCE OF KANOMAX. THIS LIMITED WARRANTY SHALL NOT
EXTEND TO ANYONE OTHER THAN THE ORIGINAL PURCHASER OF THE PRODUCT, OR THE PERSON
FOR WHOM IT WAS PURCHASED AS A GIFT, AND STATES THE PURCHASER'S EXCLUSIVE REMEDY.
Page 50
7. Warranty and After-sales Service
44
After-sales Service
If the PRODUCT is malfunctioning, please check with “Troubleshooting” to find possible cause first.
Repair parts are retained for a minimum period of five (5) years after production cessation of the PRODUCT.
This storage period of repair parts is considered as the period during which KANOMAX can provide repair
service.
For more information, please contact your sales representative. When you make a call, please have the following
information of your PRODUCT at hand.
(1) PRODUCT name
(2) Model number
(3) Serial number
(4) Description of Symptom
(5) Date of purchase
Page 51
8. Contact Information
8. Contact Information
U.S.A.
KANOMAX USA, INC.
219 US Hwy. 206, PO Box 372, Andover, NJ 07821 U.S.A.